/*******************************************************************************
 * Copyright 2009, 2010 Innovation Gate GmbH. All Rights Reserved.
 * 
 * This file is part of the OpenWGA server platform.
 * 
 * OpenWGA is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * In addition, a special exception is granted by the copyright holders
 * of OpenWGA called "OpenWGA plugin exception". You should have received
 * a copy of this exception along with OpenWGA in file COPYING.
 * If not, see <http://www.openwga.com/gpl-plugin-exception>.
 * 
 * OpenWGA is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with OpenWGA in file COPYING.
 * If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

package de.innovationgate.utils.net;

import com.googlecode.ipv6.IPv6Address;

public abstract class IPv6Restriction implements IPRestriction {

    @Override
    public boolean exists(IPAddress ip) {
        
        IPv6Address ip6Address;
        if (ip instanceof IPv6AddressWrapper) {
            ip6Address = ((IPv6AddressWrapper) ip).getAddress();
        }
        else if (ip instanceof IPv4Address) {
            ip6Address = IPv6Address.fromString("::ffff:" + ip.toString());    
        }
        else {
            return false;
        }
        
        return existsIP6(ip6Address);
    }
    
    public abstract boolean existsIP6(IPv6Address ip);
    
}
